6
User Manual PS 285 / Issue 1 © 2004 ASL Intercom, Utrecht, The Netherlands.
WARNING
Before you plug in the mains voltage, check if:
* The fuse is correct
7.0 REAR PANEL CONTROLS & CONNECTORS
5 OUTPUT connector
This XLR-3 supplies power to the user stations
connected to the PS 285 when line power is
supplied to the input connector.
There is one connector for channel A and one
connector for channel B.
Pin assignments :
1. 0V / ground shield
2. +30V power wire
3. audio wire
6 INPUT connector
This XLR-3 is the sense input and should be
connected to the intercom line from the main
power supply.
There is one connector for channel A and one
connector for channel B.
Pin assignments are like the output connector.
7 FUSE
This fuse protects the PS 285 against severe internal
damage, in case of malfunction in the power section.
To remove the fuse the mains cord must be removed.
It is most important to place the correct fuse in the
holder:
mains voltage fuse
90 – 240 VAC T 1250 mA
Spare fuses will be found in the small packet supplied
with the unit.
8 MAINS inlet
IEC Mains connector. For correct wiring and
operation refer to section 4.0.
AC Input voltage :
90 - 240 V
50 - 60 Hz
Fuse :
T 1250 mA
Type
Serial Number
B
B
A
A
Intercom Line
Intercom Line
Intercom
HOLLAND
WARNING : THIS UNIT MUST BE EARTHED.
HIGH VOLTAGE INSIDE
DISCONNECT MAINS INPUT BEFORE REMOVING COVER.
!
USE 250V FUSES ONLY
PUSH
PUSH
5
6
7
8